Gaya APA
Cole, Barbara Cole.. (1993).
Encyclopedia Americana 12 : Barbara Letta Cole .
Danbury:
Grolier Incorporated.
Gaya Chicago
Cole, Barbara Cole..
Encyclopedia Americana 12 : Barbara Letta Cole.
Danbury:
Grolier Incorporated,
1993.
Buku.
Gaya MLA
Cole, Barbara Cole..
Encyclopedia Americana 12 : Barbara Letta Cole.
Danbury:
Grolier Incorporated,
1993.
Buku.
Gaya Turabian
Cole, Barbara Cole..
Encyclopedia Americana 12 : Barbara Letta Cole.
Danbury:
Grolier Incorporated,
1993.
Buku.